The document provides an overview of using the shell in Linux, including exploring the bash shell, entering commands, shell variables, editing text with vi, and printing files from the command line. It describes how the shell is used as a command interpreter to run programs and manipulate data, and how scripts are executed during user login to initialize the shell environment. Common shell features are explained such as tab completion, command history, aliases, variables, data redirection, and using commands like lpr to print files after a printer is configured.

1. Chapter 3: Using the Shell The Complete Guide to Linux System Administration

15. The Shell Start-up Process (continued)

25. Data Redirection (continued)

31. Editing Text with vi (continued)

32. Editing Text with vi (continued)

33. Editing Text with vi (continued)

34. Editing Text with vi (continued)

35. Editing Text with vi (continued)